package com.apobates.forum.member.impl.dao;

import com.apobates.forum.member.dao.MemberPenalizeRecordsDao;
import com.apobates.forum.member.entity.MemberPenalizeRecords;
import com.apobates.forum.utils.persistence.Page;
import com.apobates.forum.utils.persistence.Pageable;
import java.time.LocalDateTime;
import java.util.Collection;
import java.util.Optional;
import java.util.stream.Stream;
import javax.persistence.EntityManager;
import javax.persistence.PersistenceContext;
import javax.persistence.Query;
import javax.persistence.TypedQuery;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.stereotype.Repository;
import org.springframework.transaction.annotation.Propagation;
import org.springframework.transaction.annotation.Transactional;

/**
 *
 * @author xiaofanku
 * @since 20200515
 */
@Repository
public class MemberPenalizeRecordsDaoImpl implements MemberPenalizeRecordsDao{
    @PersistenceContext
    private EntityManager entityManager;
    private final static Logger logger = LoggerFactory.getLogger(MemberPenalizeRecordsDaoImpl.class);
    
    @Override
    public Page<MemberPenalizeRecords> findAll(long buildMemberId, Pageable pageable) {
        final long total = count(buildMemberId);
        if (total == 0) {
            return emptyResult();
        }
        final String SQL = "SELECT mpr FROM MemberPenalizeRecords mpr WHERE mpr.judger = ?1 ORDER BY mpr.entryDateTime DESC";
        TypedQuery<MemberPenalizeRecords> query = entityManager.createQuery(SQL, MemberPenalizeRecords.class).setParameter(1, buildMemberId);
        query.setFirstResult(pageable.getOffset());
        query.setMaxResults(pageable.getPageSize());
        
        final Stream<MemberPenalizeRecords> result = query.getResultStream();
        return new Page<MemberPenalizeRecords>() {
            @Override
            public long getTotalElements() {
                return total;
            }
            
            @Override
            public Stream<MemberPenalizeRecords> getResult() {
                return result;
            }
        };
    }
    private long count(long buildMemberId) {
        try {
            return entityManager.createQuery("SELECT COUNT(mpr) FROM MemberPenalizeRecords mpr WHERE mpr.judger = ?1", Long.class)
                    .setParameter(1, buildMemberId)
                    .getSingleResult();
        } catch (Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("[count][MemberPenalizeRecordsDao]", e);
            }
        }
        return 0L;
    }
    @Override
    public Stream<MemberPenalizeRecords> findAllByMember(long memberId) {
        return entityManager.createQuery("SELECT mpr FROM MemberPenalizeRecords mpr WHERE mpr.memberId = ?1 AND mpr.status = ?2", MemberPenalizeRecords.class)
                .setParameter(1, memberId)
                .setParameter(2, true)
                .getResultStream();
    }
    
    @Override
    public Stream<MemberPenalizeRecords> findAllByExpire(LocalDateTime start, LocalDateTime finish) {
        final String SQL = "SELECT mpr FROM MemberPenalizeRecords mpr WHERE mpr.status = :sta AND mpr.rebirthDateTime BETWEEN :art AND :ish";
        return entityManager.createQuery(SQL, MemberPenalizeRecords.class)
                .setParameter("sta", true)
                .setParameter("art", start)
                .setParameter("ish", finish)
                .getResultStream();
    }
    @Transactional(propagation = Propagation.REQUIRED)
    @Override
    public Optional<Boolean> expired(long id) {
        int affect = entityManager.createQuery("UPDATE MemberPenalizeRecords mpr SET mpr.status = ?1 WHERE mpr.id = ?2 AND mpr.status = ?3")
                .setParameter(1, false)
                .setParameter(2, id)
                .setParameter(3, true)
                .executeUpdate();
        if (affect == 1) {
            return Optional.of(true);
        }
        return Optional.empty();
    }
    @Transactional(propagation = Propagation.REQUIRED)
    @Override
    public int expired(Collection<Long> idList) {//, boolean status
        int affect = 0;
        Query query = entityManager.createQuery("UPDATE MemberPenalizeRecords mpr SET mpr.status = ?1 WHERE mpr.id = ?2 AND mpr.status = ?3");
        for (Long id : idList) {
            affect += query.setParameter(1, false).setParameter(2, id).setParameter(3, true).executeUpdate();
        }
        return affect;
    }

    @Override
    public long countForMember(long memberId) {
        return entityManager.createQuery("SELECT COUNT(mpr) FROM MemberPenalizeRecords mpr WHERE mpr.memberId = ?1 AND mpr.status = ?2", Long.class)
                .setParameter(1, memberId)
                .setParameter(2, true)
                .getSingleResult();
    }
    
    @Override
    public Page<MemberPenalizeRecords> findAll(Pageable pageable) {
        final long total = count();
        if (total == 0) {
            return emptyResult();
        }
        final String SQL = "SELECT mpr FROM MemberPenalizeRecords mpr ORDER BY mpr.entryDateTime DESC";
        TypedQuery<MemberPenalizeRecords> query = entityManager.createQuery(SQL, MemberPenalizeRecords.class);
        query.setFirstResult(pageable.getOffset());
        query.setMaxResults(pageable.getPageSize());
        
        final Stream<MemberPenalizeRecords> result = query.getResultStream();
        return new Page<MemberPenalizeRecords>() {
            @Override
            public long getTotalElements() {
                return total;
            }
            
            @Override
            public Stream<MemberPenalizeRecords> getResult() {
                return result;
            }
        };
    }
    @Transactional(propagation = Propagation.REQUIRED)
    @Override
    public void save(MemberPenalizeRecords entity) {
        entityManager.persist(entity);
    }
    
    @Override
    public Optional<MemberPenalizeRecords> findOne(Long primaryKey) {
        return Optional.ofNullable(entityManager.find(MemberPenalizeRecords.class, primaryKey));
    }

    @Override
    public Optional<Boolean> edit(MemberPenalizeRecords updateEntity) {
        return Optional.empty();
    }
    
    @Override
    public Stream<MemberPenalizeRecords> findAll() {
        return Stream.empty();
    }
    
    @Override
    public long count() {
        try {
            return entityManager.createQuery("SELECT COUNT(mpr) FROM MemberPenalizeRecords mpr", Long.class).getSingleResult();
        } catch (Exception e) {
            if (logger.isDebugEnabled()) {
                logger.debug("[count][MemberPenalizeRecordsDao]", e);
            }
        }
        return 0L;
    }
}